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Old 03-26-2013, 01:08   #3
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Join Date: Sep 2005
Location: Australasian Hub
Posts: 1,768
Originally Posted by jasonub View Post
im using 15 mainspring but you should at least have a koeinig set, limcat extended firing pin and titanium struts and caps for it to be reliable.

i also have a lightened slide and tungsten guide rod. i liked 12.5 ismi recoil spring till i tried an 11 pound rs ismi. I may soon go 10 pounds.

Rule of thumb for ipsc shooters is the lightest springs you can go with 100% reliability
Thanks Jason,

How much lightening did you do on your slide though?

Wont you destroy the gun more quickly due to a very light recoil spring though?
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